When I was in the automotive propaganda business, one of the most horrifying experiences were changes on the top. CEOs could come and go without drama. Changing marketing managers meant serious trouble. It’s a bit like Indian widow-burning: He goes, you go up in flames. When Joel Ewanick came to GM, he had his old buddies Goodby, Silverstein in tow. When Joel left, the funeral pyre was assembled for Goodby.